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binder: make active thread sequence counter 64-bit

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We are using an atomic_t for the active thread sequence counter
which could rollover and possibly result in premature reaping of
zombie objects. Change to atomic64_t.

Bug: 36072376
Change-Id: I6f5d3f2b9e81e4f1cab3fa330299c25bee4fb9ef
Test: tested manually
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Siqi Lin <siqilin@google.com>
This commit is contained in:
Todd Kjos
2017-03-14 15:36:35 -07:00
committed by Thierry Strudel
parent aa8bac23d5
commit e98c35d65d
1 changed files with 2 additions and 2 deletions
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4
drivers/android/binder.c
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@@ -3249,11 +3249,11 @@ static u64 binder_get_seq(struct binder_seq_head *tracker)
return seq;
}
atomic_t binder_seq_count;
atomic64_t binder_seq_count;
static inline u64 binder_get_next_seq(void)
{
return atomic_inc_return(&binder_seq_count);
return atomic64_inc_return(&binder_seq_count);
}
static void binder_add_seq(struct binder_seq_node *node,